新视野大学英语4 unit4 课件
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(精选幻灯片)新视野大学英语第四册第四单元课件
4
Telecommunications
❖Telecommunications, from Greek, means “communications at a distance”.
❖ The first trend: the incredible increase in the processing power of digital computers, namely, dramatic decreases in physical size, dramatic increases in complexity, speed and capacity.
❖ 无线传播系统
systems (L. 9)
❖ the Information Age (L.10) ❖ 信息时代
❖
a spider’s web of digital and wireless communication links
❖
一个蜘蛛网般的数字和无 线通信网络
(L. 11) 2
Proper names
❖Optical fiber (or “fiber optic”) often refers to the medium and the technology associated with the transmission of information as light pulses(光脉 冲) along a glass or plastic wire or fiber. Optical fiber carries much more information than conventional copper wire and is in general not subject to electromagnetic电磁的 interference and the need to retransmit signals. Most telephone company long-distance lines are now of optical fiber.
Telecommunications
❖Telecommunications, from Greek, means “communications at a distance”.
❖ The first trend: the incredible increase in the processing power of digital computers, namely, dramatic decreases in physical size, dramatic increases in complexity, speed and capacity.
❖ 无线传播系统
systems (L. 9)
❖ the Information Age (L.10) ❖ 信息时代
❖
a spider’s web of digital and wireless communication links
❖
一个蜘蛛网般的数字和无 线通信网络
(L. 11) 2
Proper names
❖Optical fiber (or “fiber optic”) often refers to the medium and the technology associated with the transmission of information as light pulses(光脉 冲) along a glass or plastic wire or fiber. Optical fiber carries much more information than conventional copper wire and is in general not subject to electromagnetic电磁的 interference and the need to retransmit signals. Most telephone company long-distance lines are now of optical fiber.
新视野大学英语读写教程第四册 1-4单元
n.修饰,美容，（动物）梳理毛发
strand
n.（绳子的）股，绞；海滨，河岸；（思想等的）一个组成部分vt.使滞留，使搁浅；使陷于困境vi.搁浅；陷入困境
eclipse
n.日蚀,月蚀,衰落v.引起日蚀,引起月蚀,使...黯然失色
magnify
v.放大，夸大
deficient
adj.不足的,不充分的,有缺陷的
complement
n.补语；余角；补足物；补体vt.补足，补助
subjective
adj.主观的n.主格,主观事物
excuse oneself
v.为自己辩解
come up with
v.提出v.想出
stick to something
忠于
in hopes of
怀着...的希望
reach out to
ingenious
adj.机灵的,精制的,有独创性的
muscular
adj.肌肉的,肌肉发达的
retort
v.反驳,回嘴,反击n.反驳,顶嘴n.蒸馏器
drip
n.滴,点滴,乏味的人,水滴v.滴下,漏水
sarcasm
n.挖苦,讽刺
disclosure
n.揭发,败露
flattery
n.谄媚,阿谀,巴结
in exchange for
adj.不育的,贫瘠的
stumble
n.绊倒,失策vi.绊倒,失策,踌躇,无意中发现vt.绊倒,困惑
knit
vt.编织,密接,结合,皱眉vi.编织,变得紧凑,愈合n.编织
illuminate
vt.照明,阐释,说明
ቤተ መጻሕፍቲ ባይዱethic
n.道德规范,伦理
strand
n.（绳子的）股，绞；海滨，河岸；（思想等的）一个组成部分vt.使滞留，使搁浅；使陷于困境vi.搁浅；陷入困境
eclipse
n.日蚀,月蚀,衰落v.引起日蚀,引起月蚀,使...黯然失色
magnify
v.放大，夸大
deficient
adj.不足的,不充分的,有缺陷的
complement
n.补语；余角；补足物；补体vt.补足，补助
subjective
adj.主观的n.主格,主观事物
excuse oneself
v.为自己辩解
come up with
v.提出v.想出
stick to something
忠于
in hopes of
怀着...的希望
reach out to
ingenious
adj.机灵的,精制的,有独创性的
muscular
adj.肌肉的,肌肉发达的
retort
v.反驳,回嘴,反击n.反驳,顶嘴n.蒸馏器
drip
n.滴,点滴,乏味的人,水滴v.滴下,漏水
sarcasm
n.挖苦,讽刺
disclosure
n.揭发,败露
flattery
n.谄媚,阿谀,巴结
in exchange for
adj.不育的,贫瘠的
stumble
n.绊倒,失策vi.绊倒,失策,踌躇,无意中发现vt.绊倒,困惑
knit
vt.编织,密接,结合,皱眉vi.编织,变得紧凑,愈合n.编织
illuminate
vt.照明,阐释,说明
ቤተ መጻሕፍቲ ባይዱethic
n.道德规范,伦理
新视野大学英语4 unit 4 ppt
Information Superhighway
• A name first used by former US vise-president AL Gore for the vision of a global,high-speed communication network that will carry voice, data, video ,and other forms of information all over the world, and that will make it possible for people to send e-mail ,get up-to-the-minute news, and access business ,government and educational information.
• •
Para5
• Compare that with the mainland of China. Over the next decade, it plans to pour some $100 billion into telec omm unica tio ns equipm e nt. I n a way, China's backwardness is an advantage, because the expansion occurs just as new technologies are becoming cheaper than copper wire systems. By the end of 1995, each of China's provincial capitals except for Lhasa will have digital switches and high-capacity optical fiber links.This means that major cities are getting the basic infrastructure to become major parts of the information superhighway superhighway, allowing people to log on to the most advanced services available.
新视野大学英语第三版第一册读写教程课件Unit4-Para. III
Language focus
Para 7 原句译文
Functional patterns
在过去，“英雄”一词仅限于称呼那些做 出超乎职责范围的特别英勇的行为的人们。
逆译练习
It used to be that the word hero was reserved for those who performed acts of distinct courage beyond the call of duty.
distinct 1 (usu. before noun) definite and obvious 确实的；显著的 After the principal talked with her, there was a distinct change in her attitude. 2 separate and different in a way that is clear 有区别的；不 同的；单独的 3 able to be clearly seen, heard, smelt, or tasted 清晰的；清 楚的；明显的 The outline of the ship became more distinct.
Language focus
15.It used to be that the word hero was reserved for those who performed acts of distinct courage beyond the call of duty.(Para. 7)
Meaning: In the past, the word hero was used to particularly to refer to those who acted with remarkable courage and who did something they did not have duty to do.
新视野大学英语第二版第一册U4课件
原句:
1. 有研究显示， 我们对他人的判断是根据我们 Typical patterns for starting a topic through 最初遇到他们的七秒钟里所进行的无言交流 evidence or questions: 译文 形成的。
Research shows we make up our minds about people through unspoken communication within seven seconds of meeting them. (L.1)
• An introduction to your most unforgettable future spouse. meetings. • A job interview. • An encounter with a stranger.
Work with your partner and find out the General Statement and Examples in Paragraph 4.
Conclusion:
You can make it!
B. A way to develop paragraphs:
General Statement + Examples
Paragraph Analysis: Para.2
General Statement Examples
• Some of your
Ⅲ. Language Points
1. impression (title) — make a lasting impression on sb.
(给某人留下不可磨灭的印象)
— form an impression about / of sb.
新视野大学英语第三版第一册读写教程课件Unit4-Part II
Language focus
7.when Dory heard shots ring out he immediately fell on top of his wife to shield her from the hail of bullets.(Para. 3)
Meaning: When Dory heard loud gunshots, he immediately fell on top of his wife to protect her from being shot, for bullets showered on them .
What conclusion does the author draw from the two examples? ( Para.4)
Tips They are civilian heroes.
Main idea & structure
Main ideas of the parts
Part II — (Paras. 2-4)
Meaning: In a time when there is an increasing number of impressive actions of great courage, the word hero has been used more frequently. era: n(C) [C] a period of time in history that is known for a particular event, or for particular qualities 时代；年代 We are living in the information era. heighten: v. if sth heightens a feeling, effect, etc, it becomes stronger or increases.（使）加强，（使）增加 Smoking may heighten the risk of cancer.
新视野大学英语(第二版)读写教程第四册Unit4单词及详解
<1>telecommunications|n. |[U] the sending and receiving of messages over distance, esp. by telephone, radio and television |电信| | | |a telecommunications satellite |通信卫星| | | |the telecommunications industry |电信业| |<2>dumb |a. |unable to speak |哑的，不会说话的| | | |a deaf and dumb boy |一个聋哑男孩| | | |Being dumb, the little girl had difficulty communicating her feelings. |因不会说话，那个小女孩交流感情有困难。
|@ |<3>investment |n. |[C, U] the act of investing money in sth. |投资| | | |This country needs investment in education. |这个国家需要在教育上投资。
| | | |He hopes to attract foreign investment. |他希望吸引外国投资。
| |<4>Latin |n. & a. |[U] |拉丁语（的）；拉丁语系（的）| |<5>utility |n. |[C] (usu<. ~ties ) a service used by the public, such as electricity or gas supply |公用事业；公用设施| | | |public utilities |公用事业| | | |Railways and roads are public utilities. |铁路和公路是公用设施。
新视野大学英语第三版第一册读写教程课件Unit4-Part II
Meaning: He talked gently to her and expressed his care and understanding for her suffering.
tender: gentle and careful in a way that shows love 温柔的； 体贴入微的；慈爱的 The singer’s deep and tender voice is perfect for this music.
sympathy: [pl., U] the feeling of being sorry for sb. who is in a bad
situation 同情；同情心 When her husband died, she received many letters of sympathy. 她丈夫去世的时候，她收到许多慰问信
Main ideas of the parts
Structure (Paras. 1-4)
Question
Examples
Conclusion
Language focus
3.In the days subsequent to a mass shooting in Tucson, Arizona, many described 20-year-old political associate Daniel Hernandez as a hero.(Para. 2)
Language focus
4.Daniel held her head up so she could breathe and applied pressure to her wounds.(Para. 2)
Meaning: Daniel held her head up so she could breath, and he pushed hard on her wounds in order to stop her bleeding.
tender: gentle and careful in a way that shows love 温柔的； 体贴入微的；慈爱的 The singer’s deep and tender voice is perfect for this music.
sympathy: [pl., U] the feeling of being sorry for sb. who is in a bad
situation 同情；同情心 When her husband died, she received many letters of sympathy. 她丈夫去世的时候，她收到许多慰问信
Main ideas of the parts
Structure (Paras. 1-4)
Question
Examples
Conclusion
Language focus
3.In the days subsequent to a mass shooting in Tucson, Arizona, many described 20-year-old political associate Daniel Hernandez as a hero.(Para. 2)
Language focus
4.Daniel held her head up so she could breathe and applied pressure to her wounds.(Para. 2)
Meaning: Daniel held her head up so she could breath, and he pushed hard on her wounds in order to stop her bleeding.
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• He suffers from an optical defect. 视觉的
• TБайду номын сангаасe road has been dug up in order
Warming-up Activities
Group work Questions for thought and discussion Background information Enriching your vocabulary Comparing the following words
Group work
Questions for thought and discussion
Listen to a short passage carefully and then answer the following questions .
Background information
• telecommunications: Telecommunications, from Greek, means “communications at a distance”. Telecommunications through voice, data, and image communication is changing the world. The ease of accessing information and people anywhere at anytime is having major impacts on society, business, and finance. Two major trends have occurred in the technology that is applicable to telecommunications. The first trend has been the incredible increase in the processing power of digital computers, namely, dramatic decreases in physical size along with equally dramatic increases in complexity, speed, and capacity. The second trend has been the explosive growth in
Unit 4
The Telecommunications Revolution
Stage 1: Warming-up Activities Stage 2: Reading-Centred Activities Stage 3: After-Reading Activities
Stage 4: Listening-and-Speaking Practice
• The company specializes in telecommunications. 长途通信
• Some kitchen tools have very little utility. 用处
• high utility bill 公用事业
• Telescopes and microscopes are optical instruments. 光学的
transmission capacity through the widespread use of optical fiber across continents and under oceans. These two trends have had impressive long-term consequences for telecommunications around the world. The Internet and the World Wide Web have already created a global system for the access of information. It has become popular that people check flight, weather, and hotels before traveling to a foreign country. E-mail makes it easy to keep in contact instantly with colleagues and friends around the globe. But many of the peoples of the world do not even have a telephone, much less access to the Internet and the information. The challenge to the telecommunications industry is to bridge the digital gap and extend the availability of telecommunications to all parts of the planet.
Go over the preview, the prereading questions and the title of the text before listening to the summary of the story and anticipate what we are going to read.
Enriching your vocabulary
Read the sentences carefully and guess the meaning of the italicized term in each sentence according to the context and your own experiences.
• TБайду номын сангаасe road has been dug up in order
Warming-up Activities
Group work Questions for thought and discussion Background information Enriching your vocabulary Comparing the following words
Group work
Questions for thought and discussion
Listen to a short passage carefully and then answer the following questions .
Background information
• telecommunications: Telecommunications, from Greek, means “communications at a distance”. Telecommunications through voice, data, and image communication is changing the world. The ease of accessing information and people anywhere at anytime is having major impacts on society, business, and finance. Two major trends have occurred in the technology that is applicable to telecommunications. The first trend has been the incredible increase in the processing power of digital computers, namely, dramatic decreases in physical size along with equally dramatic increases in complexity, speed, and capacity. The second trend has been the explosive growth in
Unit 4
The Telecommunications Revolution
Stage 1: Warming-up Activities Stage 2: Reading-Centred Activities Stage 3: After-Reading Activities
Stage 4: Listening-and-Speaking Practice
• The company specializes in telecommunications. 长途通信
• Some kitchen tools have very little utility. 用处
• high utility bill 公用事业
• Telescopes and microscopes are optical instruments. 光学的
transmission capacity through the widespread use of optical fiber across continents and under oceans. These two trends have had impressive long-term consequences for telecommunications around the world. The Internet and the World Wide Web have already created a global system for the access of information. It has become popular that people check flight, weather, and hotels before traveling to a foreign country. E-mail makes it easy to keep in contact instantly with colleagues and friends around the globe. But many of the peoples of the world do not even have a telephone, much less access to the Internet and the information. The challenge to the telecommunications industry is to bridge the digital gap and extend the availability of telecommunications to all parts of the planet.
Go over the preview, the prereading questions and the title of the text before listening to the summary of the story and anticipate what we are going to read.
Enriching your vocabulary
Read the sentences carefully and guess the meaning of the italicized term in each sentence according to the context and your own experiences.